Gladstone, J., Humphreys, K. K., & Lunde, B. K. (1987). Mechanical estimating guidebook for building construction (5th ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationGladstone, John, Kenneth King Humphreys, and B. K. Lunde. Mechanical Estimating Guidebook for Building Construction. 5th ed. New York: McGraw-Hill, 1987.
MLA (8th ed.) CitationGladstone, John, et al. Mechanical Estimating Guidebook for Building Construction. 5th ed. McGraw-Hill, 1987.
Warning: These citations may not always be 100% accurate.